Answers

Subtract 63/70 from 90/50

1^st number: 1 40/50, 2^nd number: 63/70

90/50 - 63/70 is 9/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 70 is 350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 350
2. For the 1st fraction, since 50 × 7 = 350,
   90/50 = 90 × 7/50 × 7 = 630/350
3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
   63/70 = 63 × 5/70 × 5 = 315/350
4. Subtract the two like fractions:
   630/350 - 315/350 = 630 - 315/350 = 315/350
5. After reducing the fraction, the answer is 9/10

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